In the alternation of generations, what is formed when a spore germinates?
A) A haploid stage called the gametophyte.
B) A plant that produces spores when mature.
C) An increased number of spores.
D) A haploid stage called the sporophyte.
E) A plant that meiotically produces sex cells.
A
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Indicate whether the statement is true or false.
One line of evidence for endosymbiosis is that chloroplasts resemble ____
a. anaerobic bacteria b. aerobic bacteria c. fungi d. protists e. cyanobacteria
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The earliest vertebrates had jaws
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